A three-leg steel ball corner designed for DIY flight cases and case construction. The corner is made from 1 mm steel and finished in silver zinc plating. It has Ø5.1 mm mounting holes and measures 6.40 cm in width, 6.40 cm in depth, and 6.40 cm in height. The component weighs 0.06 kg and is intended to protect and reinforce the corners of suitable cases.